The little co-op tower defense action game that could, Dungeon Defenders, has achieved 250,000 sales... it sold 200K units on PC alone, accounting for 80% of sales.

Trendy plans to continue supporting the title with community events for PS3 and Xbox 360 players, with details found in the gallery below (or downloadable here). The events will include special game modes with the devs and a chance to win unique loot.

His quote:

Releasing on PC first is also a financial disaster as piracy rates will angle half-pirates (those people who buy console game but pirate pc ones because its 'easier') into not buying a console version and instead pirating the game for PC simply to have that game at that instant instead of waiting for a console version